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Cheap flights from Toronto to Fremont from C$ 286

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to Fremont are usually found in November or January, booked 88 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Toronto to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Fremont
Explore the most affordable flight options available from Toronto to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Tue 1/93:50 p.m.
YYZ
-
SFO
1 stop9h 05m
Multiple Airlines
Thu 10/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Multiple Airlines
Deal found 24/7C$ 449
Thu 10/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Mon 21/91:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 23/7C$ 451
Fri 11/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Mon 14/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 23/7C$ 452
Sun 13/96:00 a.m.
YYZ
-
SFO
1 stop9h 00m
WestJet
Tue 22/96:00 a.m.
SFO
-
YYZ
2 stops10h 55m
WestJet
Deal found 23/7C$ 454
Fri 30/109:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Porter Airlines
Thu 5/111:45 p.m.
SFO
-
YYZ
Nonstop4h 54m
Porter Airlines
Deal found 23/7C$ 455
Sun 6/93:50 p.m.
YYZ
-
SFO
1 stop9h 05m
WestJet
Tue 8/91:00 p.m.
SFO
-
YYZ
2 stops13h 10m
WestJet
Deal found 22/7C$ 456
Tue 8/910:20 p.m.
YYZ
-
SFO
2 stops16h 40m
WestJet
Mon 14/91:00 p.m.
SFO
-
YYZ
2 stops13h 10m
WestJet
Deal found 22/7C$ 458
Wed 9/96:00 a.m.
YYZ
-
SFO
1 stop9h 00m
WestJet
Sat 12/91:00 p.m.
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 22/7C$ 459
Wed 14/108:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Sun 18/106:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 24/7C$ 461
Wed 9/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Sun 20/91:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 23/7C$ 461
Fri 11/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Multiple Airlines
Thu 17/91:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 22/7C$ 462
Fri 16/108:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Sun 18/106:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 22/7C$ 463

Find flight deals from Toronto to Fremont

Keep the following information in mind while searching for Toronto to Fremont flight deals. Data was last updated 25 July 2026.

Round-trip from

C$ 449

One-way from

C$ 286

Popular in

July

Cheapest in

November

Average price

C$ 728
Porter Airlines
  • Porter Airlines
  • 1/9-10/9
  • 1 total stop
  • 14h 10m total
  • Toronto to Fremont
Search Deals
WestJet
  • WestJet
  • 5/10
  • 1 total stop
  • 20h 50m total
  • Toronto to Fremont
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Fremont that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 July 2026.
Use the filters below to find and compare flights from Toronto to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 14/10

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Sun 18/10

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 461

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 18/8

6:10 p.m.-9:55 p.m.

1 stop30h 45m

San Francisco

Fri 21/8

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 503

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 31/10

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Sat 7/11

1:45 p.m.-9:39 p.m.

Nonstop4h 54m

C$ 517

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 9/9

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 21/9

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 517

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 9/9

6:10 p.m.-9:55 p.m.

1 stop30h 45m

San Francisco

Mon 21/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 528

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 11/9

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Sun 20/9

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 546

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 21/8

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Sun 23/8

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 549

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 21/8

6:10 p.m.-12:00 p.m.

1 stop20h 50m

San Francisco

Wed 16/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 556

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 5/9

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Sat 12/9

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 566

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 10/9

6:10 p.m.-9:55 p.m.

1 stop30h 45m

San Francisco

Mon 14/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Toronto to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Fremont

What is the cheapest time of day to fly from YTO to FR8?

Find hourly flight availability from Toronto to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 July 2026.

When flying from Toronto to Fremont, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 70% versus a flight at noon.

Weekly flight availability from Toronto to Fremont

Explore weekly flight availability from Toronto to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 July 2026.

The most flights from YTO to FR8 are scheduled on a Monday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from Toronto to Fremont?

Airfare is below average for this route at the moment.
Toronto to Fremont flights typically cost between C$ 554 and C$ 882 in September.
The cheapest round-trip price found within the last 5 days was C$ 449 on Multiple Airlines (1 Sep-10 Sep).

What is the cheapest day to fly from Toronto to Fremont?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Fremont. Price data was last updated on 18 July 2026.

Travelers seeking maximum savings on their Toronto to Fremont flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fremont. Reviews last updated 25 July 2026.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Fremont to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
448 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
448 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
566 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,029 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,416 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,383 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

6.9

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Toronto to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Toronto to Fremont?

    Departing from Toronto to Fremont will take you 5h 55m. There are 3626 km between Toronto and Fremont. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Toronto to Fremont one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 179. However, be on the lookout for offers from Porter Airlines and Air Transat, as they are both options that can get you from Toronto to Fremont for a low price.

  • What are the most popular routes from Toronto to Fremont?

    When deciding which route to take from Toronto to Fremont consider Toronto Pearson Intl - San Francisco, Toronto Island - San Francisco or Hamilton - San Francisco as they are the most popular.

  • What are the most reliable airlines from Toronto to Fremont?

    The top 3 most reliable airlines when flying from Toronto to Fremont are Singapore Airlines (73%), American Airlines (69%) and Porter Airlines (69%).

  • What are the cheapest flights from Toronto to Fremont?

    Looking at all options, your cheapest flight can be booked for C$ 250. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for C$ 399 on average, our data indicates C$ 2,288 when flying from Toronto to Fremont.

  • Can I find deals for flights from Toronto to Fremont that include hotel bookings?

    Yes. In addition to deals on Toronto to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Fremont.

  • Can I find deals for business class flights from Toronto to Fremont?

    Yes. Cheapflights offers flight deals from Toronto to Fremont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Toronto to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Toronto to Fremont

Discover the top 8 airlines that operate flights from Toronto to Fremont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 290AverageC$ 563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 296AverageC$ 405FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
WestJetCheapestC$ 299AverageC$ 538FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 319AverageC$ 518FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 334AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 355AverageC$ 652FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air TransatCheapestC$ 387AverageC$ 603FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 412AverageC$ 621FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Fremont?

Deals for Toronto to Fremont flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Fremont?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Toronto to Fremont for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Toronto to Fremont with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to Fremont, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to Fremont become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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